I hate out-and-back flight numbers (where they reuse the same flight number for a flight and for its reverse). It makes it really confusing to actually find the

I hate out-and-back flight numbers (where they reuse the same flight number for a flight and for its reverse). It makes it really confusing to actually find the flight status and such. Separately I also find code-sharing slightly confusing, especially if you're trying to find out who's actually operating your flight for things like checkin counter, etc.